Home / 948,322.39-1,308,804.75-621,910.08

Finding the Fourth Proportional to 948,322.39, 1,308,804.75 and 621,910.08

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Solution

The fourth proportional to 948,322.39, 1,308,804.75 and 621,910.08 is: 858,314.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,322.39 : 1,308,804.75 = 621,910.08 : x
  2. Step 2: Convert to fraction form
    948,322.39/1,308,804.75 = 621,910.08/x
  3. Step 3: Cross multiply
    948,322.39x = 1,308,804.75 × 621,910.08
  4. Step 4: Simplify right side
    948,322.39x = 813,958,863,095.87
  5. Step 5: Solve for x
    x = 813,958,863,095.87/948,322.39
  6. Step 6: Final answer
    x = 858,314.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.